:root {
  --bg: #080a11;
  --surface: #11131b;
  --line: #20233a;
  --text: #f5f6fc;
  --muted: #9a9fb8;
  --a1: #526bff;
  --a2: #7774ff;
  --a3: #d18bff;
  --grad: linear-gradient(100deg, var(--a1), var(--a2) 50%, var(--a3));
  --max: 1040px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }
img { max-width: 100%; display: block; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* glow behind hero */
body::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 640px;
  background:
    radial-gradient(600px 300px at 30% 0, rgba(82, 107, 255, .22), transparent 70%),
    radial-gradient(500px 280px at 75% 10%, rgba(209, 139, 255, .16), transparent 70%);
  pointer-events: none;
  z-index: -1;
}

nav { display: flex; align-items: center; justify-content: space-between; padding: 22px 0; }
nav img { height: 36px; }
nav .links { display: flex; gap: 24px; font-size: 15px; color: var(--muted); }
nav .links a { text-decoration: none; }
nav .links a:hover { color: var(--text); }

.hero { text-align: center; padding: 72px 0 56px; }
.eyebrow {
  display: inline-block;
  font-size: 13px;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 14px;
  margin-bottom: 28px;
}
h1 {
  font-size: clamp(38px, 7vw, 68px);
  line-height: 1.05;
  letter-spacing: -0.035em;
  margin: 0 auto 22px;
  max-width: 14ch;
  font-weight: 700;
}
h1 em {
  font-style: normal;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.sub { font-size: 20px; color: var(--muted); max-width: 46ch; margin: 0 auto 36px; }

.cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 16px;
  text-decoration: none;
  border: 1px solid var(--line);
  transition: transform .15s, border-color .15s;
}
.btn:hover { transform: translateY(-1px); border-color: var(--a2); }
.btn.primary { background: var(--grad); border-color: transparent; color: #fff; }
.btn.primary:hover { border-color: transparent; filter: brightness(1.1); }

.frame {
  margin: 56px auto 0;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  background: var(--surface);
  box-shadow: 0 30px 80px -20px rgba(82, 107, 255, .35);
}

section { padding: 88px 0 0; }
h2 {
  font-size: clamp(28px, 4.5vw, 40px);
  letter-spacing: -0.025em;
  line-height: 1.15;
  margin: 0 0 12px;
}
.lede { color: var(--muted); margin: 0 0 40px; max-width: 52ch; }

/* pain -> fix */
.pairs { display: grid; gap: 14px; }
.pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  background: var(--surface);
}
.pair > div { padding: 26px 28px; }
.pair .pain { color: var(--muted); border-right: 1px solid var(--line); }
.pair .pain b, .pair .fix b { display: block; font-size: 12px; letter-spacing: .1em; text-transform: uppercase; margin-bottom: 8px; }
.pair .pain b { color: #8a8fa8; }
.pair .pain p { text-decoration: line-through; text-decoration-color: rgba(154, 159, 184, .35); }
.pair .fix b { color: var(--a3); }
.pair p { margin: 0; }
.pair .fix p { color: var(--text); }

/* steps */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; counter-reset: s; }
.step { border-top: 2px solid var(--line); padding-top: 18px; counter-increment: s; }
.step::before {
  content: "0" counter(s);
  font-weight: 700;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.step h3 { margin: 6px 0 6px; font-size: 18px; }
.step p { margin: 0; color: var(--muted); font-size: 15px; }

/* demos */
.demos { display: grid; grid-template-columns: 1fr; gap: 56px; }
.demos figure { margin: 0; }
.demos .frame { margin: 0 0 16px; }
.demos figcaption { color: var(--muted); font-size: 18px; }
.demos figcaption b { color: var(--text); }

/* chips */
.stack { display: grid; gap: 22px; }
.stack h3 { margin: 0 0 10px; font-size: 13px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); font-weight: 600; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips span { border: 1px solid var(--line); border-radius: 999px; padding: 4px 14px; font-size: 14px; color: #c7cadd; }

/* trust */
.trust { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.trust div { border: 1px solid var(--line); border-radius: 14px; padding: 22px 24px; background: var(--surface); }
.trust h3 { margin: 0 0 6px; font-size: 17px; }
.trust p { margin: 0; color: var(--muted); font-size: 15px; }

.importer { margin-top: 14px; }
.importer code { font-size: 12px; }
.pairs + .importer { margin-top: 14px; }

.mcp {
  margin-top: 14px;
  border: 1px solid transparent;
  border-radius: 14px;
  padding: 28px;
  background:
    linear-gradient(var(--surface), var(--surface)) padding-box,
    var(--grad) border-box;
}
.mcp h3 { margin: 10px 0 6px; font-size: 22px; }
.mcp p { margin: 0; color: var(--muted); max-width: 60ch; }
.badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--a3);
  border: 1px solid var(--a3);
  border-radius: 999px;
  padding: 2px 12px;
}

/* final */
.final { text-align: center; padding-bottom: 88px; }
.final .cta { margin-bottom: 20px; }
.note { color: var(--muted); font-size: 14px; max-width: 60ch; margin: 0 auto; }
code { background: var(--surface); border: 1px solid var(--line); border-radius: 6px; padding: 1px 6px; font-size: 13px; word-break: break-all; }

footer { border-top: 1px solid var(--line); padding: 28px 0 40px; color: var(--muted); font-size: 14px; }
footer .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
footer a { text-decoration: none; margin-left: 20px; }
footer a:first-child { margin-left: 0; }
footer a:hover { color: var(--text); }

@media (max-width: 760px) {
  .pair, .demos, .trust { grid-template-columns: 1fr; }
  .pair .pain { border-right: 0; border-bottom: 1px solid var(--line); }
  .steps { grid-template-columns: 1fr 1fr; }
  nav .links { gap: 16px; }
  .hero { padding-top: 40px; }
}